Senior Network Security Engineer

Theblockchainassociation; San Francisco (CA); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Annual leave entitlement

401(k) plan with employer match

Health insurance

Work Flexibility Adoption. Hybrid set‑

Internal mobility program

Job summary

Crypto.com in San Francisco seeks a Level 3 network engineer to own escalation, secure multi-vendor environments, and optimize hybrid cloud architectures across on-prem data centers and AWS.

You will implement IaC, automate network tasks, integrate AI tools for security orchestration, document architectures, and provide after-hours support during live migrations.

Qualifications

• Hands-on experience operating and troubleshooting production networks across on-premises data centers and AWS.
• Experience with firewall configuration, routing, switching, network security, and incident response.
• Working knowledge of BGP, OSPF, IPsec, HSRP, and QoS.
• Experience with hybrid-cloud networking, including AWS VPC networking and AWS Direct Connect.
• Ability to work independently, prioritize incidents, and communicate clearly during operational issues.

Responsibilities

• Serve as Level 3 escalation point for complex network issues across on-prem and AWS.
• Maintain FortiGate, Cisco ASA, and Akamai WAF/Anti-DDoS security solutions.
• Identify and resolve network bottlenecks across Arista, Cisco, F5, and Infoblox.
• Develop and maintain architecture docs on topology, hybrid cloud, and security configs.
• Bridge Infrastructure and DevOps via IaC to automate deployments.
• Research and apply automation/AI tools for security orchestration and workflow automation.
• Provide non-office hours escalation support during major cutovers or emergencies.

Skills

Network troubleshooting

Incident response

Hybrid cloud networking

Firewall configuration

Routing & switching

BGP/OSPF/IPsec

Documentation

DevOps collaboration

Education

Bachelors in Computer Science / Information Systems

Equivalent practical experience

Tools

FortiGate Firewall

Cisco ASA Firewall

Akamai WAF

Arista switches

Cisco routers

F5 LTM/GTM

Infoblox DNS/DHCP

AWS Direct Connect

Infrastructure as Code

Job description

Responsibilities:

• Act as Escalation Point of Contact: Serve as the primary Level 3 escalation point for resolving complex network infrastructure, routing, and security configuration issues across both on-premise Data Centers and AWS environments.
• Maintain Multi-Vendor Security & Perimeter Solutions: Responsible for the configuration, maintenance, and optimization of FortiGate Firewalls (On-Prem & AWS), Cisco ASA Firewalls, and Akamai WAF / Anti-DDoS solutions protecting core endpoints.
• Manage Core Network & Infrastructure Services: Identify and resolve network issues, bottlenecks, and vulnerabilities across Arista core/access switches, Cisco routers, F5 Load Balancers (LTM/GTM), and Infoblox (DNS/DHCP).
• Develop & Maintain Architecture Documentation: Develop and maintain comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs.
• Bridge Infrastructure and DevOps (IaC): Bridge the gap between development and operations by embracing "Infrastructure as Code" (IaC) in close collaboration with DevOps teams to automate network deployments and security workflows.
• Integrate AI & Network Task Automation: Research and leverage automation/AI tools (e.g., Tines, n8n, Dify) for Security Orchestration or network task automation to improve operational efficiency.
• Provide Support During Non-Office Hours: Provide non-office hour escalation support whenever needed during major live cutovers or critical network emergencies.

Requirements:

• Relevant education in Computer Science, Information Systems, or a related technical discipline, or equivalent practical experience.
• Hands-on experience operating and troubleshooting production networks across on-premises data centers and AWS environments.
• Experience with firewall configuration, routing, switching, network security, and incident response.
• Working knowledge of relevant networking protocols, including BGP, OSPF, IPsec, HSRP, and QoS.
• Experience with hybrid-cloud networking, including AWS VPC networking and AWS Direct Connect.
• Ability to work independently, prioritize incidents effectively, and communicate clearly during operational issues.

Preferred qualifications:

• Experience with one or more of the following security and edge technologies: FortiGate, Cisco ASA, Akamai WAF, or anti‑DDoS solutions.
• Experience with one or more of the following infrastructure technologies: Arista switches, Cisco routers, F5 LTM/GTM, or Infoblox DNS/DHCP.
• CCNP, CCIE, AWS Certified Advanced Networking, CISSP, or equivalent practical experience.
• Experience with Infrastructure as Code and network automation.
• Experience with security-orchestration or workflow-automation tools such as Tines, n8n, or Dify.
• Experience executing or supporting live data-center-to-AWS migration cutovers.

Life @ Crypto.com

Empowered to think big. Try new opportunities while working with a talented, ambitious and supportive team.

Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions.

Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth.

Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another.

One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet.

Work Flexibility Adoption. Flexi-work hour and hybrid set-up

Aspire career alternatives through us - our internal mobility program offers employees a new scope.

Benefits

• Competitive salary
• Attractive annual leave entitlement including: birthday, work anniversary
• 401(k) plan with employer match
• Eligible for company-sponsored group health, dental, vision, and life/disability insurance
• Work Flexibility Adoption. Flexi-work hour and hybrid set-up
• Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.
• Our Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.

About Crypto.com:

Founded in 2016, Crypto.com serves more than 150 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.

Learn more at https://crypto.com.

Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.

Personal data provided by applicants will be used for recruitment purposes only.

Please note that only shortlisted candidates will be contacted.

120000 - 150000 USD a year